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3 years ago

How does the shape of the worm change as it move

2 answers:

6 0

In earthworms, each segment can move independently, so that alternating contractions between the two different sets of muscles in many different segments create shape changes all along the body. This produces accordion-like body movements that help the worm push through soil and maneuver through small spaces within

Sophie [7]3 years ago

3 0

When the circular muscles contract, the earthworm stretches, becoming longer and thinner. The earthworm uses its setae to anchor the front of its body in the soil. Now the longitudinal muscles contract and the earthworm becomes shorter and wider or it bends from one side to the other, pulling the body forward.

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When water TRANSPIRES from the stoma into the atmosphere, what phase is it in?

swat32

Answer:

it's called transpiration when stomata opens and release extra water

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3 years ago

The cholesterol associated with animal cell membranes

bekas [8.4K]

Cholesterol is one of the molecules composing the cell membrane. b) makes the cell membrane fluid at room temperature.

<h3>What is the role of cholesterol in the cell membrane?</h3>

The cell membrane is composed of two lipidic bilayers, cholesterol, proteins, and glucans incrusted in between.

Cholesterol is one type of lipid.

These molecules are incrusted in the membrane between the hydrophobic tails of lipids.

Their proportion on both sides of the membrane is almost the same.

Cholesterol is a significant molecule that contributes to the membrane fluidity, separates phospholipids, and interact with membrane proteins regulating in their activity.

The correct option is b). makes the cell membrane fluid at room temperature.

You can learn more about cholesterol at

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2 years ago

An athlete has an enhanced genotype for carbohydrate utilization, however they feel sluggish after they eat carbohydrates, which

Viktor [21]

Answer:

Carbohydrates’ bad reputation ignores the benefits they can offer

sooo i would say it is B. i think....

6 0

3 years ago

Janna and Sarah are identical twins who were raised apart. Lisa and Shirley are nonrelated adopted siblings who were raised in t

schepotkina [342]

Lisa and Shirley, because upbringing has more of an impact than genes

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3 years ago

1. When cities in the Northern Hemisphere are having their coldest temperatures, what is happening in the Southern Hemisphere?

miv72 [106K]

Answer:

1. The Southern Hemisphere would be having it’s hottest temperatures.

2. Depends, if you are near each other yes, but say Antarctica and Florida won’t have the same temperatures as each other because they are different climates.

3. diurnal temperature variation.

Explanation for 1:

The two hemispheres are opposite, one is hot, one is cold. Therefore, the Southern Hemisphere would be having it’s hottest!

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3 years ago